The exam consists of an oral test, divided into three phases. 1) The teacher proposes during the course a certain number (greater than 10) of scientific articles of great relevance in the field of cosmology. The examinee chooses one in agreement with the teacher at least a week before the examination where they present it. 2) The student presents a topic of his choice chosen from those covered in class. 3) The student is questioned at will by the teacher on the entire program. The three parts of the examination have equal weight. Honors (lode) is awarded for those students who have proven to understand the chosen article and to explain it properly.